55
nozzle model and opening pressure. The fuel injector matching parts are of high precision
and the needle valve and body can’t be interchanged. The pressure of the fuel injector can be
adjusted. The adjusting method is that: remove the pressure adjusting screw and tighten it
clockwise to enlarge the fuel injection pressure, and tighten it anticlockwise to reduce the fuel
injection pressure. The fuel injection pressure shall be adjusted on the special test bench.
(Fig 2-21)
喷油器喷射的油速应均匀，雾化质量应良好，即油粒细小均匀，喷油时声音清脆，无滴
油现象（图
2—22
）。
The injection speed of injector shall be even, atomization quality shall be good, the particle
shall be small and even, the sound of injecting shall be ringing, without oil dropping. (Fig.
2-22)
Summary of Contents for YC6A Series
Page 11: ...4 YC6J...
Page 12: ...Fig 4 Assembly Layout for YC6J Diesel Engine may differ from the practical configuration...
Page 13: ...13 YC6A A8700 YC6A series construction engine A8700 external characteristic curve...
Page 15: ...15 YC6B B7700 YC6B series construction Turbocharged engine B7700 external characteristic curve...
Page 16: ...16 YC6J J8000 YC6J series construction engine J8000 external characteristic curve...
Page 64: ...64 2 31 Thethermostator is of wax type and installed in the water outlet of the pipe It is not...
Page 98: ...98 the engine to check repair and replace damaged parts...
